If she delays, the whole family will risk starvation. 若是稍有耽搁 整个家族就会面临饥荒
Whole populations of animals are now forced to travel great distances in pursuit of food and warmth. 动物们成群结队踏上 寻找食物和温暖的长途旅程
She has been in her den the whole winter. 整个冬天 它都在洞穴里度过